On Wed, Jul 26, 2017 at 11:15:25AM +0530, Arvind Yadav wrote:
> clk_prepare_enable() can fail here and we must check its return value.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
> ---
> Chnage in v2 :
> Error handling for things done in s3c_i2sv2_probe().
>
> sound/soc/samsung/s3c2412-i2s.c | 12 ++++++++++--
> 1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c
> index 0a47182..0b96927 100644
> --- a/sound/soc/samsung/s3c2412-i2s.c
> +++ b/sound/soc/samsung/s3c2412-i2s.c
> @@ -65,13 +65,16 @@ static int s3c2412_i2s_probe(struct snd_soc_dai *dai)
> s3c2412_i2s.iis_cclk = devm_clk_get(dai->dev, "i2sclk");
> if (IS_ERR(s3c2412_i2s.iis_cclk)) {
> pr_err("failed to get i2sclk clock\n");
> - return PTR_ERR(s3c2412_i2s.iis_cclk);
> + ret = PTR_ERR(s3c2412_i2s.iis_cclk);
> + goto err;
No, this is kind of messy and error-prone. I think that each unit should
rather clean by itself. You should not touch s3c_i2sv2 stuff directly.
Instead define a s3c_i2sv2_cleanup() (or remove() to match the
convention?) and call it here on error-paths.
Best regards,
Krzysztof
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